/**
* 算法说明:根据用户注册时间来判断
* 以半年为中点，此时打分值为THRESHOLD_REMARK
* 注册时间每增加或减少一天，打分值减少或增加DECREASE_RATE
* 另外加入特殊处理，最近SPECIAL_TIME天注册的，打分值恒定为SPECIAL_REMARK
*/
public function test(ZombieKiller_Context $context)
{
$user = $context->get_current_user();
$followers_count = $user->followers_count;
$root_user = $context->get_root_user();
$my_friends = $this->_get_friends($root_user);
$his_followers = $this->_get_followers($user->id);
$same_people_count = count(array_intersect($my_friends, $his_followers));
if ($same_people_count >= self::SPECIAL_COUNT) {
$remark = self::SPECIAL_REMARK;
} else {
$diff = $same_people_count - self::THRESHOLD_COUNT;
$remark = $diff * self::DECREASE_RATE;
$remark = self::THRESHOLD_REMARK - $remark;
$remark = $remark < 0 ? 0 : $remark;
$remark = $remark > 100 ? 100 : $remark;
}
$remark = round($remark);
return $remark;
}
